find the value of a cube + b cube + 6 a b minus 8 when a + b is equal to 2. Please explain in brief.... Please solve fast
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Answer:
0
Step-by-step explanation:
(a+b)³=a³+b³+3ab(a+b)
2³=a³+b³+3ab(2)
8=a³+b³+6ab
∴ a³+b³+6ab-8=0
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